Fixing a bug in the log table selection query.
It is possible for the code to enter the if block where
no sets come from that provider.  The code will still
execute provider_query so we need to make it a valid query
that returns no rows.

Branch
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master

Details
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http://git.postgresql.org/gitweb?p=slony1-engine.git;a=commitdiff;h=ef13327516a5f5edc242331ccf0dba2ee604cb54

Modified Files
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src/slon/remote_worker.c |    2 ++
1 files changed, 2 insertions(+), 0 deletions(-)